Cosmetic change to the MPI start-up message.

examples/main.c

@@ -138,7 +138,9 @@ int main(int argc, char *argv[]) {
   if ((res = MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN)) !=
       MPI_SUCCESS)
     error("Call to MPI_Comm_set_errhandler failed with error %i.", res);
-  if (myrank == 0) message("MPI is up and running with %i node(s).", nr_nodes);
+  if (myrank == 0)
+    printf("[0000] [00000.0] main: MPI is up and running with %i node(s).\n\n",
+	   nr_nodes);
   if (nr_nodes == 1) {
     message("WARNING: you are running with one MPI rank.");
     message("WARNING: you should use the non-MPI version of this program.");